Init: bootstrap go module

cmd/root.go

@@ -0,0 +1,26 @@
+package cmd
+
+import (
+	"strings"
+
+	"gitea.konchin.com/ytshih/inp2025/game/cmd/serve"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var RootCmd = &cobra.Command{
+	Use:   "game",
+	Short: "Game for Intro. to Network Programming 2025",
+	PersistentPreRun: func(cmd *cobra.Command, args []string) {
+		viper.AutomaticEnv()
+		viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
+		viper.BindPFlags(cmd.PersistentFlags())
+		viper.BindPFlags(cmd.Flags())
+	},
+}
+
+func init() {
+	cobra.EnableTraverseRunHooks = true
+
+	RootCmd.AddCommand(serve.RootCmd)
+}